Metal fusion bonding – Process – With shaping
Reexamination Certificate
2011-04-12
2011-04-12
Zimmerman, John J (Department: 1784)
Metal fusion bonding
Process
With shaping
C029S521000, C029S897200, C083S029000, C083S032000, C428S582000
Reexamination Certificate
active
07922067
ABSTRACT:
A tailor weld blank assembly and method for making the blank assembly include providing a first metal sheet and a second metal sheet having at least one different characteristic from the first sheet. Complementary interlocking structures are provided on adjoining edges of the first and second sheets and the sheets are mechanically interlocked together by making a weld along the adjoining interlocked edges. Thereafter the permanently affixed together sheets are formed to make a formed sheet metal product. The provision of both a mechanical interlock and a weld provide a blank assembly that is strong for forming into a stamped product, and a metal product that is strong for its intended use.
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GM Global Technology Operations LLC
Zimmerman John J
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